Side by side

Ledor vs LightSpeedRead

Both stand on speed reading apps. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Ledor

Free plan Open source AndroidiPhoneLinux+1

Ledor offers multiple reading modes, appearance controls, and offline access in a free, open-source app. Google Drive sync is optional, and the app says books and progress remain on the device when used offline.

Visit Ledor

LightSpeedRead

Free plan ExtensioniPhoneWeb

LightSpeedRead combines several input formats with adjustable RSVP controls and a free web reader. Consider its comprehension caveat and the iOS app’s “Coming soon” status when choosing it.

Visit LightSpeedRead

The facts

	Ledor	LightSpeedRead
Free plan	Yes	Yes
Open source	Yes	Not published
Runs on	Android, iPhone, Linux, Web	Extension, iPhone, Web
Lowest paid plan	Free or on request	Pro yearly: $19 a year
Plans published	1	3
Maker	Not published	Not published
Website	ledor.app	lightspeedread.com
On speed reading apps	#1 of 27	#5 of 27

Ledor: what it does well

Includes RSVP, text-to-speech, and e-reader modes.
Text-to-speech speeds range from 0.5× to 3×.
Works offline, with books and progress stored on device.
Free plan includes all features, without ads or an account.

What to know first

Google Drive sync is optional rather than built in as required sync.
Android sharing of pages is the specifically listed share method.
Text-to-speech uses system voices.

LightSpeedRead: what it does well

Accepts pasted text, links, PDFs, and EPUBs.
Offers adjustable speed, pauses, themes, and font controls.
Pasted and uploaded text is processed locally in the browser.
Free extension reading supports up to 600 wpm.

What to know first

Article extraction may be unreliable behind logins or paywalls.
The iOS app is marked “Coming soon.”
High RSVP speeds can reduce comprehension.
Pro costs $2.99 per month or $19.00 per year.

Alternatives to Ledor Alternatives to LightSpeedRead The whole list